1. Brand new and high quality. 2. This security system is an anti-theft system to protect your mobile phones from losing when you are unaware of the thief. 3. If the security sensor is detached from a smart phone or these is any theft attempts such as cable cutting, then alarm sound goes on. 4. The security system not only protects a smart phone safely but also charges the smart phone simultaneously. 5. The simple and compact design makes easy installation, and it enhances the character and promotional effects of displayed phones. 6. Material: Aluminium Alloy and ABS. 7. Input Voltage: 110V-250V. 8. Alarm volume: 95DB-110DB. 9. Decoding Way: password unlock alarm.